Home / 11,803,982.58-16,290,190.26-7,221,182.40

Finding the Fourth Proportional to 11,803,982.58, 16,290,190.26 and 7,221,182.40

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Solution

The fourth proportional to 11,803,982.58, 16,290,190.26 and 7,221,182.40 is: 9,965,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803,982.58 : 16,290,190.26 = 7,221,182.40 : x
  2. Step 2: Convert to fraction form
    11,803,982.58/16,290,190.26 = 7,221,182.40/x
  3. Step 3: Cross multiply
    11,803,982.58x = 16,290,190.26 × 7,221,182.40
  4. Step 4: Simplify right side
    11,803,982.58x = 117,634,435,198,163.42
  5. Step 5: Solve for x
    x = 117,634,435,198,163.42/11,803,982.58
  6. Step 6: Final answer
    x = 9,965,656.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.